131 0211 Build02 Z - Photo 06

02. The Pro Rock starts with an all-new Dynatrac centersection cast from nodular iron. Dynatrac says that it's 40 percent stronger than a stock Dana 60 and gives you more ground clearance than a Dana 44, without requiring modifications to the ring gear. Dynatrac installed the front ARB Air Locker and set up the Precision Gear set.